# This list is from: # https://www.teamblind.com/post/New-Year-Gift---Curated-List-of-Top-100-LeetCode-Questions-to-Save-Your-Time-OaM1orEU * Array ** DONE Two Sum - https://leetcode.com/problems/two-sum/ ** DONE Best Time to Buy and Sell Stock - https://leetcode.com/problems/best-time-to-buy-and-sell-stock/ ** DONE Contains Duplicate - https://leetcode.com/problems/contains-duplicate/ ** DONE Product of Array Except Self - https://leetcode.com/problems/product-of-array-except-self/ ** DONE Maximum Subarray - https://leetcode.com/problems/maximum-subarray/ ** DONE Maximum Product Subarray - https://leetcode.com/problems/maximum-product-subarray/ ** DONE Find Minimum in Rotated Sorted Array - https://leetcode.com/problems/find-minimum-in-rotated-sorted-array/ ** DONE Search in Rotated Sorted Array - https://leetcode.com/problems/search-in-rotated-sorted-array/ ** DONE 3Sum - https://leetcode.com/problems/3sum/ ** DONE Container With Most Water - https://leetcode.com/problems/container-with-most-water/ * Binary ** TODO Sum of Two Integers - https://leetcode.com/problems/sum-of-two-integers/ ** TODO Number of 1 Bits - https://leetcode.com/problems/number-of-1-bits/ ** TODO Counting Bits - https://leetcode.com/problems/counting-bits/ ** TODO Missing Number - https://leetcode.com/problems/missing-number/ ** TODO Reverse Bits - https://leetcode.com/problems/reverse-bits/ * Dynamic Programming ** TODO Climbing Stairs - https://leetcode.com/problems/climbing-stairs/ ** TODO Coin Change - https://leetcode.com/problems/coin-change/ ** TODO Longest Increasing Subsequence - https://leetcode.com/problems/longest-increasing-subsequence/ ** TODO Longest Common Subsequence - ** TODO Word Break Problem - https://leetcode.com/problems/word-break/ ** TODO Combination Sum - https://leetcode.com/problems/combination-sum-iv/ ** TODO House Robber - https://leetcode.com/problems/house-robber/ ** TODO House Robber II - https://leetcode.com/problems/house-robber-ii/ ** TODO Decode Ways - https://leetcode.com/problems/decode-ways/ ** TODO Unique Paths - https://leetcode.com/problems/unique-paths/ ** TODO Jump Game - https://leetcode.com/problems/jump-game/ * Graph ** TODO Clone Graph - https://leetcode.com/problems/clone-graph/ ** TODO Course Schedule - https://leetcode.com/problems/course-schedule/ ** TODO Pacific Atlantic Water Flow - https://leetcode.com/problems/pacific-atlantic-water-flow/ ** TODO Number of Islands - https://leetcode.com/problems/number-of-islands/ ** TODO Longest Consecutive Sequence - https://leetcode.com/problems/longest-consecutive-sequence/ ** TODO Alien Dictionary (Leetcode Premium) - https://leetcode.com/problems/alien-dictionary/ ** TODO Graph Valid Tree (Leetcode Premium) - https://leetcode.com/problems/graph-valid-tree/ ** TODO Number of Connected Components in an Undirected Graph (Leetcode Premium) - https://leetcode.com/problems/number-of-connected-components-in-an-undirected-graph/ * Interval ** TODO Insert Interval - https://leetcode.com/problems/insert-interval/ ** TODO Merge Intervals - https://leetcode.com/problems/merge-intervals/ ** TODO Non-overlapping Intervals - https://leetcode.com/problems/non-overlapping-intervals/ ** TODO Meeting Rooms (Leetcode Premium) - https://leetcode.com/problems/meeting-rooms/ ** TODO Meeting Rooms II (Leetcode Premium) - https://leetcode.com/problems/meeting-rooms-ii/ * Linked List ** TODO Reverse a Linked List - https://leetcode.com/problems/reverse-linked-list/ ** TODO Detect Cycle in a Linked List - https://leetcode.com/problems/linked-list-cycle/ ** TODO Merge Two Sorted Lists - https://leetcode.com/problems/merge-two-sorted-lists/ ** TODO Merge K Sorted Lists - https://leetcode.com/problems/merge-k-sorted-lists/ ** TODO Remove Nth Node From End Of List - https://leetcode.com/problems/remove-nth-node-from-end-of-list/ ** TODO Reorder List - https://leetcode.com/problems/reorder-list/ * Matrix ** TODO Set Matrix Zeroes - https://leetcode.com/problems/set-matrix-zeroes/ ** TODO Spiral Matrix - https://leetcode.com/problems/spiral-matrix/ ** TODO Rotate Image - https://leetcode.com/problems/rotate-image/ ** TODO Word Search - https://leetcode.com/problems/word-search/ * String ** TODO Longest Substring Without Repeating Characters - https://leetcode.com/problems/longest-substring-without-repeating-characters/ ** TODO Longest Repeating Character Replacement - https://leetcode.com/problems/longest-repeating-character-replacement/ ** TODO Minimum Window Substring - https://leetcode.com/problems/minimum-window-substring/ ** TODO Valid Anagram - https://leetcode.com/problems/valid-anagram/ ** TODO Group Anagrams - https://leetcode.com/problems/group-anagrams/ ** TODO Valid Parentheses - https://leetcode.com/problems/valid-parentheses/ ** TODO Valid Palindrome - https://leetcode.com/problems/valid-palindrome/ ** TODO Longest Palindromic Substring - https://leetcode.com/problems/longest-palindromic-substring/ ** TODO Palindromic Substrings - https://leetcode.com/problems/palindromic-substrings/ ** TODO Encode and Decode Strings (Leetcode Premium) - https://leetcode.com/problems/encode-and-decode-strings/ * Tree ** TODO Maximum Depth of Binary Tree - https://leetcode.com/problems/maximum-depth-of-binary-tree/ ** TODO Same Tree - https://leetcode.com/problems/same-tree/ ** TODO Invert/Flip Binary Tree - https://leetcode.com/problems/invert-binary-tree/ ** TODO Binary Tree Maximum Path Sum - https://leetcode.com/problems/binary-tree-maximum-path-sum/ ** TODO Binary Tree Level Order Traversal - https://leetcode.com/problems/binary-tree-level-order-traversal/ ** TODO Serialize and Deserialize Binary Tree - https://leetcode.com/problems/serialize-and-deserialize-binary-tree/ ** TODO Subtree of Another Tree - https://leetcode.com/problems/subtree-of-another-tree/ ** TODO Construct Binary Tree from Preorder and Inorder Traversal - https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/ ** TODO Validate Binary Search Tree - https://leetcode.com/problems/validate-binary-search-tree/ ** TODO Kth Smallest Element in a BST - https://leetcode.com/problems/kth-smallest-element-in-a-bst/ ** TODO Lowest Common Ancestor of BST - https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree/ ** TODO Implement Trie (Prefix Tree) - https://leetcode.com/problems/implement-trie-prefix-tree/ ** TODO Add and Search Word - https://leetcode.com/problems/add-and-search-word-data-structure-design/ ** TODO Word Search II - https://leetcode.com/problems/word-search-ii/ * Heap ** DONE Merge K Sorted Lists - https://leetcode.com/problems/merge-k-sorted-lists/ ** DONE Top K Frequent Elements - https://leetcode.com/problems/top-k-frequent-elements/ ** DONE Find Median from Data Stream - https://leetcode.com/problems/find-median-from-data-stream/